We are live on ! Find out more
PUBM icon

PubMatic
PUBM

Fund managers haven’t disclosed any holdings of PUBM yet.

PUBM Hedge Fund Activity: Q1 2026 in Review

152 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in PubMatic (PUBM) for Q1 2026, worth a combined $234M — down 4.4% from $245M a quarter earlier.

Buyers outnumbered sellers: 33 funds opened new PUBM positions and 31 closed out — a net gain of 2 holders — while 58 added to existing stakes and 41 trimmed.

The largest buyer was Whitefort Capital Management, opening a new position worth an estimated $5.3M. The largest seller was Wellington Management Group, exiting entirely with an estimated $10.4M sold.

  • 152 institutional investors held PubMatic (PUBM) as of Q1 2026, unchanged from Q4 2025.
  • Funds reported $234M of PubMatic stock for Q1 2026, down 4.4% quarter-over-quarter.
  • 33 funds opened new PubMatic positions in Q1 2026 and 31 closed out, a net change of +2 holders.
  • The largest PubMatic buyer in Q1 2026 was Whitefort Capital Management, an estimated $5.3M added.
  • The largest PubMatic seller in Q1 2026 was Wellington Management Group, an estimated $10.4M sold.

Based on aggregated 13F filings for Q1 2026.